rx fibre fill

RX Fibre Fill

RX Fibre Fill is a highly flexible roof coating for localised repairs or for complete roof resurfacing. This liquid roof coating is an acrylic resin with reinforcing fibres which dries into a durable elastic coating that will not allow the passage of water but does allow the substrate to breathe. RX Fibre Filler is easily applied by brush even during damp weather.


RX Fibre Fill is suitable for a wide range of repairs or coating small to medium-sized flat roofs. It can also be applied to most building surfaces.

Product features

  • Single coat application
  • Will not wash off
  • Excellent shelf life
  • Superb flexibility
  • Unaffected by temperature change
  • Available in a range of colours

Request Product Specification

Get in touch to inquire about installing RX Fibre Filler, or alternatively, discover our case studies to learn more.

Why RX Fibre Fill is the best flexible roof coating

If you’re looking for a flexible roof coating that can withstand the elements and protect your roof from damage, RX Fibre Fill is a top choice. Here’s why:

1. Highly flexible

One of the key benefits of RX Fibre Fill is its flexibility. This coating is made from a blend of resins and fibers that are designed to move with your roof as it expands and contracts with changes in temperature. This means that it won’t crack or peel over time, even in extreme weather conditions.

2. Superior waterproofing

RX Fibre Fill is also an excellent waterproofing agent. It forms a durable, impermeable layer over your roof that prevents water from seeping through and causing damage. This is especially important in areas with heavy rainfall or snow, where water damage can quickly lead to costly repairs.

3. Long-lasting protection

Another advantage of RX Fibre Fill is its longevity. This flexible roof coating is designed to last for many years, even in harsh environments. It can withstand UV rays, high winds, and temperature extremes without losing its effectiveness. This means that you can count on RX Fibre Fill to protect your roof for years to come.

4. Easy application

Applying RX Fibre Fill is also straightforward and easy. This coating can be applied using a brush, roller, or sprayer, and it dries quickly to form a seamless, uniform layer. It also requires minimal maintenance, so you can save time and money on upkeep.

5. Versatility

RX Fibre Fill is also versatile enough to be used on a wide range of roofing materials. Whether you have a flat roof, a pitched roof, or a metal roof, this coating can provide effective protection and help extend the life of your roof.

5. Cost-effective

Finally, RX Fibre Fill is a cost-effective option for roof protection. Compared to traditional roofing materials, such as shingles or tiles, this coating is much more affordable. It also requires less maintenance over time, which can save you money in the long run.

So, if you’re looking for a flexible roof coating that offers superior waterproofing, long-lasting protection, and easy application, RX Fibre Fill is the perfect choice. This versatile and cost-effective coating can help extend the life of your roof and protect your home from water damage, UV rays, and temperature extremes. So, whether you’re building a new home or looking to upgrade your existing roof, consider using RX Fibre Fill for the best in flexible roof coatings.

Robex Contracting services are accessible 24/7, including evenings and weekends. So, you can rely on us to be there when you need us. We understand that your project needs to be completed to the highest standard with minimal interruption, which is why we work outside of regular business hours.

Let’s Talk About Your Next Project

Get in touch to inquire about installing RX Fibre Fill for your Flexible Roof Coating


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